@book{46403,
	author = {Van der Westhuizen, P. C.},
	title = {Doeltreffende onderwysbestuur /},
	publisher = {HAUM-Tersi�er,},
	year = {1990.},
	address = {Pretoria :},
	edition = {2de hers. uitg.},
	note = {Also available in English as: Effective educational management.}
}